Derm Malignancies & Surgery Flashcards
A pt presents w/ a flush, erythematous, and scaly lesion. It exhibits shallow ulcer or crusting and was confused for eczema or fungal infxn. Most likely diagnosis?
Superficial Basal Cell Carcinoma
A pt presents w/ a flesh colored nodule on surface of their skin w/ small telangiectatic vessels throughout. It has a central depression which could ulcerate and form a peripheral rolled border. Most likely diagnosis?
Nodular Basal Cell Carcinoma
A pt presents with a brown pigmented lesion. Most likely dx?
Pigmented Basal Cell Carcinoma
A pt presents with a firm white/yellowish plaque with an ill-defined border with induration. Looks like an “enlarging scar.” Most likely diagnosis?
Morpheaform or Sclerosing Basal Cell Carcinoma
Which carcinoma is relatively new and resembles BCC and may occur as a single/tumor in older people?
Merkel Cell Carcinoma
Which carcinoma arises from sebaceous sweat glands?
Adnexal carcinoma
(T/F) Surgical excision with 4-5 mm margins have shown 5 year cure rates exceeding 95%
TRUE
What new drug is used to shrink a lesion?
Imiquimod
A Merkel cell tumor can be classified based on:
“AEIOU”
- asymptomatic
- expanding rapidly
- immunosuppressive
- older pts usually older than 70 y/o
- UV exposure
What is characterized by chronic unstable burns that can lead to squamous cell carcinoma?
Marjolin’s ulcer
What arises from melanocytes and is characterized by ABCDEs?
Melanoma
Which melanoma is the least common type and is shown as a “hutchinson’s freckle”?
Lentigo Maligna Melanoma
Clark’s classification of assessing level of invasion:
L1: confined to epidermis L2: invades papillary epidermis L3: fills pap. dermis but does not invade reticular dermis L4: invades reticular dermis L5: invades subcutaneous fat
